That looks very useful indeed. Thanks Tomas On Wed, Feb 12, 2020 at 8:32 PM Tomas Vondra <tomas.von...@2ndquadrant.com> wrote:
> On Wed, Feb 12, 2020 at 10:23:22AM -0700, Michael Lewis wrote: > >It may also be worth noting that it is possible to make autovacuum/analyze > >more aggressive, perhaps only on the tables that see large changes in data > >that might result in a statistics issue. If you could share a query, > >explain analyze output, and pseudo code or at least description of what > >sort of bulk operations are being done, then more insight could be > offered. > > Another thing you can do is deploy auto_explain, and log explain plan > for long-runnning queries. That won't fix the root cause, but it will > help you with confirming the root cause - you'll see the query plan, > which should give you enough context. > > regards > > -- > Tomas Vondra http://www.2ndQuadrant.com > PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services >